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Code Block |
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language | none |
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title | RST 20H, DEFW $3609 |
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IN:
A = character to search for
BC = maximum number of characters to search. BC = 0, unlimited search.
HL = 0, read from stream IX
HL = 1, read from filter IX
HL = 2, not allowed
HL > 255, read at (HL)
IX = optional handle (if HL = 0, 1)
OUT, if call successful:
Fc = 0
Fz = 1, if character found
HL = points to terminating character (if HL(in) > 255)
BC = 0, if BC(in) = 0
BC = less number of characters processed (if BC(in)<>0)
OUT, if call failed:
Fc = 1
A = error code:
Registers changed after return:
....DE../IXIY same
AFBC..HL/.... different |